Truck bed rail light



FIG. 1 is a side elevational view of a truck bed rail light showing my new design with a portion of a pickup truck in broken lines for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a perspective view of the truck bed rail light on an enlarged scale;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a side elevational view thereof;

FIG. 6 is a side elevational view thereof, opposite that shown in FIG. 5;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof. 

The ornamental design for a truck bed rail light, as shown and described. 